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2004-12-14 Tomer Levi <Tomer.Levi@nsc.com>

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* elf32-crx.c (elf32_crx_relax_delete_bytes): Add 'struct bfd_link_info *' to prototype, to make hash info available.
	Prevent wrapped symbols from being adjusted twice.
This commit is contained in:
Tomer Levi
2004-12-14 15:36:23 +00:00
parent c314987d19
commit e3f9830cf4
1 changed files with 34 additions and 8 deletions
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42
bfd/elf32-crx.c
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@ -30,7 +30,7 @@ static reloc_howto_type *elf_crx_reloc_type_lookup
static void elf_crx_info_to_howto static void elf_crx_info_to_howto
(bfd *, arelent *, Elf_Internal_Rela *); (bfd *, arelent *, Elf_Internal_Rela *);
static bfd_boolean elf32_crx_relax_delete_bytes static bfd_boolean elf32_crx_relax_delete_bytes
(bfd *, asection *, bfd_vma, int); (struct bfd_link_info *, bfd *, asection *, bfd_vma, int);
static bfd_reloc_status_type crx_elf_final_link_relocate static bfd_reloc_status_type crx_elf_final_link_relocate
(reloc_howto_type *, bfd *, bfd *, asection *, (reloc_howto_type *, bfd *, bfd *, asection *,
bfd_byte *, bfd_vma, bfd_vma, bfd_vma, bfd_byte *, bfd_vma, bfd_vma, bfd_vma,
@ -573,8 +573,8 @@ crx_elf_final_link_relocate (reloc_howto_type *howto, bfd *input_bfd,
/* Delete some bytes from a section while relaxing. */ /* Delete some bytes from a section while relaxing. */
static bfd_boolean static bfd_boolean
elf32_crx_relax_delete_bytes (bfd *abfd, asection *sec, elf32_crx_relax_delete_bytes (struct bfd_link_info *link_info, bfd *abfd,
bfd_vma addr, int count) asection *sec, bfd_vma addr, int count)
{ {
Elf_Internal_Shdr *symtab_hdr; Elf_Internal_Shdr *symtab_hdr;
unsigned int sec_shndx; unsigned int sec_shndx;
@ -586,6 +586,7 @@ elf32_crx_relax_delete_bytes (bfd *abfd, asection *sec,
Elf_Internal_Sym *isymend; Elf_Internal_Sym *isymend;
struct elf_link_hash_entry **sym_hashes; struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes; struct elf_link_hash_entry **end_hashes;
struct elf_link_hash_entry **start_hashes;
unsigned int symcount; unsigned int symcount;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec); sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
@ -662,13 +663,38 @@ elf32_crx_relax_delete_bytes (bfd *abfd, asection *sec,
/* Now adjust the global symbols defined in this section. */ /* Now adjust the global symbols defined in this section. */
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym) symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- symtab_hdr->sh_info); - symtab_hdr->sh_info);
sym_hashes = elf_sym_hashes (abfd); sym_hashes = start_hashes = elf_sym_hashes (abfd);
end_hashes = sym_hashes + symcount; end_hashes = sym_hashes + symcount;
for (; sym_hashes < end_hashes; sym_hashes++) for (; sym_hashes < end_hashes; sym_hashes++)
{ {
struct elf_link_hash_entry *sym_hash = *sym_hashes; struct elf_link_hash_entry *sym_hash = *sym_hashes;
/* The '--wrap SYMBOL' option is causing a pain when the object file,
containing the definition of __wrap_SYMBOL, includes a direct
call to SYMBOL as well. Since both __wrap_SYMBOL and SYMBOL reference
the same symbol (which is __wrap_SYMBOL), but still exist as two
different symbols in 'sym_hashes', we don't want to adjust
the global symbol __wrap_SYMBOL twice.
This check is only relevant when symbols are being wrapped. */
if (link_info->wrap_hash != NULL)
{
struct elf_link_hash_entry **cur_sym_hashes;
/* Loop only over the symbols whom been already checked. */
for (cur_sym_hashes = start_hashes; cur_sym_hashes < sym_hashes;
cur_sym_hashes++)
{
/* If the current symbol is identical to 'sym_hash', that means
the symbol was already adjusted (or at least checked). */
if (*cur_sym_hashes == sym_hash)
break;
}
/* Don't adjust the symbol again. */
if (cur_sym_hashes < sym_hashes)
continue;
}
if ((sym_hash->root.type == bfd_link_hash_defined if ((sym_hash->root.type == bfd_link_hash_defined
|| sym_hash->root.type == bfd_link_hash_defweak) || sym_hash->root.type == bfd_link_hash_defweak)
&& sym_hash->root.u.def.section == sec && sym_hash->root.u.def.section == sec
@ -1078,7 +1104,7 @@ elf32_crx_relax_section (bfd *abfd, asection *sec,
R_CRX_REL16); R_CRX_REL16);
/* Delete two bytes of data. */ /* Delete two bytes of data. */
if (!elf32_crx_relax_delete_bytes (abfd, sec, if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
irel->r_offset + 2, 2)) irel->r_offset + 2, 2))
goto error_return; goto error_return;
@ -1123,7 +1149,7 @@ elf32_crx_relax_section (bfd *abfd, asection *sec,
R_CRX_REL8); R_CRX_REL8);
/* Delete two bytes of data. */ /* Delete two bytes of data. */
if (!elf32_crx_relax_delete_bytes (abfd, sec, if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
irel->r_offset + 2, 2)) irel->r_offset + 2, 2))
goto error_return; goto error_return;
@ -1173,7 +1199,7 @@ elf32_crx_relax_section (bfd *abfd, asection *sec,
R_CRX_REL8_CMP); R_CRX_REL8_CMP);
/* Delete two bytes of data. */ /* Delete two bytes of data. */
if (!elf32_crx_relax_delete_bytes (abfd, sec, if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
irel->r_offset + 4, 2)) irel->r_offset + 4, 2))
goto error_return; goto error_return;
@ -1214,7 +1240,7 @@ elf32_crx_relax_section (bfd *abfd, asection *sec,
R_CRX_IMM16); R_CRX_IMM16);
/* Delete two bytes of data. */ /* Delete two bytes of data. */
if (!elf32_crx_relax_delete_bytes (abfd, sec, if (!elf32_crx_relax_delete_bytes (link_info, abfd, sec,
irel->r_offset + 2, 2)) irel->r_offset + 2, 2))
goto error_return; goto error_return;